filter for watcher was mapping absolute paths to basenames

Author: PanayotCankov

plugins/PlatformFSPlugin.ts

@@ -112,13 +112,16 @@ export function mapFileSystem(args: MapFileSystemArgs): any {
         return mappedFiles;
     }
 
-
+    /**
+     * Maps and filters the input files.
+     * Expects array with absolute paths.
+     * Returns array with absolute paths.
+     */
     function filterAlienFilesAndMap(files: string[]): string[] {
         const mappedFiles = files
             .filter(isNotIgnored)
             .filter(isNotAlienPlatformFile)
-            .map(trimPlatformSuffix)
-            .map(file => basename(file));
+            .map(trimPlatformSuffix);
         const uniqueMappedFiles = Array.from(new Set(mappedFiles));
         return uniqueMappedFiles;
     }
@@ -219,8 +222,9 @@ export function mapFileSystem(args: MapFileSystemArgs): any {
                 } else {
                     // Create absolute paths for "ignored" testing, map platforms, and return back the base name.
                     const absoluteFilePaths = files.map(file => join(dir, file));
-                    const result = filterAlienFilesAndMap(absoluteFilePaths);
-                    callback(null, result);
+                    const resultAbsolute = filterAlienFilesAndMap(absoluteFilePaths);
+                    const resultFileNames = resultAbsolute.map(f => basename(f));
+                    callback(null, resultFileNames);
                 }
             }
             base.apply(fs, arguments);